Journal of Geophysical Research: Space Physics Archives

A teal-colored sphere appears beyond a dark gray, rocky-textured foreground against a black background. Thin cream-, gray-, and green-colored rings appear to encircle the teal sphere in a roughly horizontal orientation.

The Speedy Particles That Could Help Us Learn More About Uranus

by Sarah Stanley 18 June 202618 June 2026

New simulations suggest that a spacecraft-mounted detector of energetic neutral atoms could improve our understanding of the ice giant’s environment, as well as the relationship between the planet, its magnetosphere, and the heliosphere.

Editors' Highlights

A Next-Generation Telescope for Space Weather Research

by Qiu-Gang Zong 30 March 202626 March 2026

The Meridian Project Phase II IPS telescope, featuring a novel dual-band phased array feed and AI-powered calibration, sets a new global benchmark for sensitivity in monitoring solar wind disturbances.

Editors' Highlights

Using Lightning-Induced Precipitation to Estimate Electron Belt Decay Times

by Viviane Pierrard 3 December 20252 December 2025

A long-term study of MeV electron burst events detected in the inner radiation belt and slot region was used to determine the electron belt decay times.

5 journal cover images in front of the Milkyway Galaxy.

Editors' Vox

Announcing New AGU Journal Editors-in-Chief Starting in 2026

by AGU Publications 12 November 202513 November 2025

AGU is excited to welcome new Editors-in-Chief for five of our journals in 2026.

An artist’s depiction of four purple octagonal spacecraft flying in space. The light behind them is orange from the Sun, and in the background at right is Earth, surrounded by an overlapping series of magnetic field lines.

Research Spotlights

Magnetic “Switchback” Detected near Earth for First Time

by Sarah Stanley 8 October 20258 October 2025

Until recently, this type of zigzag shape—formed by energetic rearrangement of magnetic field lines—had been seen only near the Sun.

Illustration of many satellites orbiting Earth.

Editors' Vox

JGR: Space Physics Launches New Instrumentation Article Type

by Michael Balikhin, Natalia Ganjushkina, Viviane Pierrard, Paul Song, Jean-Pierre St-Maurice and Qiu-Gang Zong 23 July 202521 July 2025

JGR: Space Physics welcomes new and original developments in instrumentation including novel experimental methodologies that are relevant to space physics.

A plume of material erupting from the Sun.

Editors' Highlights

Why Subsequent ICMEs are More Geoeffective

by Michael Balikhin 23 July 202523 July 2025

A new study demonstrates how an interplanetary coronal mass ejection (ICME) clears the path for following transients and explains why subsequent ICMEs are more geoeffective.